History of Diamond Grading in Australia

Blogs & News

Explore DCLA’s legacy as Australia’s leading diamond authority. Learn our history, meet the founders, and discover our unmatched grading expertise.

In an unaudited operating update published in July, Petra reported revenue of $206 million for the financial year ended June 30, broadly unchanged from the previous year.
South African Diamond Miner Petra Diamonds Shares Suspended in London

Petra Diamonds, one of the most recognised names in South Africa's modern diamond mining industry, has had[…]

Why Australia Jewellery Is Facing an Increasingly Difficult Market
The global jewellery industry is undergoing a significant structural change.

The global jewellery industry is undergoing a significant structural change. Independent jewellers, manufacturers, wholesalers and traditional retailers[…]

Protecting the Value of an Inheritance When a loved one passes away, their estate may contain a lifetime of accumulated possessions, including diamond rings, gold chains, bracelets, watches, coins, precious stones and other valuable jewellery. Some pieces may have been purchased recently, while others may have been passed down through several generations.
Inherited Jewellery and Family Valuables, Why Expert Assessment Matters

Inherited jewellery, diamonds, gold and family heirlooms can represent significant financial and sentimental value. Before dividing an[…]

8.10 carat Fancy Vivid pink
Geneva Auction to Feature Rare 8.63 Carat Pink Diamond

The unmounted oval modified brilliant cut diamond has been graded Fancy Intense Pink, VS2 clarity and Type[…]

The influence of diamond shape and facet arrangement
Inclusion Size Alone Does Not Determine a Diamond’s Grade

Discover how inclusion size, position, nature and contrast affect diamond clarity grading, and why DCLA assesses transparency[…]

Founded in 1905 by Hans Wilsdorf and Alfred Davis in London, Rolex moved its operations to Geneva in 1919. The company became synonymous with robust, precise and dependable wristwatches.
Does Adding Diamonds to a Luxury Watch Increase Its Value or Reduce It?

Founded in 1905 by Hans Wilsdorf and Alfred Davis in London, Rolex moved its operations to Geneva[…]

Argyle’s pink diamonds remain distinctive because of their remarkable natural colour and rarity.
The Legacy of the Famous Argyle Mine and the Long Road to Rehabilitation

The closure of Western Australia’s Argyle diamond mine has brought renewed attention to environmental responsibility, Indigenous rights[…]

diamond engagement ring or an exceptional high jewellery creation
From a Child’s First Charm to a Lifetime of Luxury

Jewellery for Every Age Jewellery has a special place in our lives. It marks milestones, celebrates achievements,[…]

Your jewellery should reflect who you are, not simply what is fashionable.
Do You Follow the Trend or Are You a Trendsetter?

Your jewellery should reflect who you are, not simply what is fashionable.

Rio Tinto Diamond Production Falls 68% After Diavik Mine Closure
Rio Tinto Diamond Production Falls 68% After Diavik Mine Closure

The closure of Canada’s Diavik diamond mine marks the end of Rio Tinto’s active diamond mining operations,[…]

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